4287656 has 8 divisors (see below), whose sum is σ = 8039370. Its totient is φ = 2143824.

The previous prime is 4287643. The next prime is 4287667. The reversal of 4287656 is 6567824.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3865156 + 422500 = 1966^2 + 650^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267971 + ... + 267986.

Almost surely, 2^4287656 is an apocalyptic number.

It is an amenable number.

4287656 is a deficient number, since it is larger than the sum of its proper divisors (3751714).

4287656 is a wasteful number, since it uses less digits than its factorization.

4287656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535963 (or 535959 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

The square root of 4287656 is about 2070.6655934747. The cubic root of 4287656 is about 162.4575794596.

The spelling of 4287656 in words is "four million, two hundred eighty-seven thousand, six hundred fifty-six".